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Cheap flights from London Heathrow Airport to Cairns from £440

This is the cheapest one-way flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 8/9. Fares are subject to change and may not be available on all flights or dates of travel.
LHR — CNS
31 Aug — 7 Sep1
1 adult

Cheapflights Tip: The best prices from London Heathrow to Cairns are usually found in May or February, booked 28 days in advance, depart on a Wednesday or Tuesday and return on a Monday

Cheap flight deals from Heathrow to Cairns

Discover tips and strategies to find the most affordable flight options for your journey from Heathrow (LHR) to Cairns (CNS). Learn about various techniques such as flexible date searches, comparing prices across and setting up price alerts. Use these methods to find the cheapest flights available for your travel needs. Data last updated 26 August 2025.

Round-trip from

£1,081

One-way from

£440

Popular in

December

Cheapest in

May

Average price

£1,374
30/10-27/11
  • 30/10-27/11
  • 4 total stops
  • 71h 10m total
  • London to Cairns
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8/9
  • 8/9
  • 2 total stops
  • 39h 35m total
  • London to Cairns
Search Deals
Highest demand for flights based on searches. 5% potential increase in price (£55 potential increase over avg. return price).
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Cheapest flight prices on average. 2% potential price decrease (£19 potential savings vs. average return price).
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Average for round-trip flights in August 2025
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Find flight deals from Heathrow to Cairns

Cheapest flights from Heathrow to Cairns
Explore the most affordable flight options available from Heathrow to Cairns. Find the lowest fares from popular airlines and budget airlines, with prices last updated on 26 August 2025.

Thu 30/1011:00LHR - CNS
2 stops37h 45mMultiple Airlines
Thu 27/1115:35CNS - LHR
2 stops33h 25mMultiple Airlines
Deal found 25/8£1,081
Thu 6/1114:15LHR - CNS
3 stops29h 30mMultiple Airlines
Sun 23/1107:45CNS - LHR
2 stops32h 55mMultiple Airlines
Deal found 25/8£1,126
Thu 11/914:40LHR - CNS
3 stops30h 55mMultiple Airlines
Fri 17/1010:00CNS - LHR
2 stops30h 00mMultiple Airlines
Deal found 24/8£1,128
Mon 8/921:20LHR - CNS
2 stops38h 20mMultiple Airlines
Thu 11/912:10CNS - LHR
2 stops38h 35mMultiple Airlines
Deal found 25/8£1,153
Mon 27/1022:00LHR - CNS
2 stops59h 05mMultiple Airlines
Mon 10/1118:35CNS - LHR
1 stop23h 05mMultiple Airlines
Deal found 26/8£1,153
Wed 8/1022:10LHR - CNS
3 stops49h 35mMultiple Airlines
Wed 15/1018:15CNS - LHR
1 stop30h 30mMultiple Airlines
Deal found 24/8£1,169
Mon 13/1006:50LHR - CNS
3 stops36h 35mMultiple Airlines
Mon 27/1018:35CNS - LHR
3 stops30h 10mMultiple Airlines
Deal found 24/8£1,170
Wed 26/1120:05LHR - CNS
3 stops35h 15mSWISS
Wed 25/218:35CNS - LHR
2 stops23h 30mSWISS
Deal found 24/8£1,173
Sat 30/806:00LHR - CNS
3 stops39h 35mMultiple Airlines
Sat 27/906:45CNS - LHR
3 stops45h 00mMultiple Airlines
Deal found 25/8£1,184
Mon 20/1021:20LHR - CNS
2 stops34h 50mMultiple Airlines
Mon 3/1118:35CNS - LHR
1 stop30h 45mMultiple Airlines
Deal found 24/8£1,196

Cheapflights Fare Finder

 
Customise your flight search to find flights from Heathrow to Cairns that fit within your specific budget. Explore options based on user searches and filter the results based on your desired price range. Find flights that match your budget for a cost-effective journey. Over the last 7 days, Cheapflights users made 858,174 searches. Data last updated 26 August 2025.
Use the filters below to find and compare flights from London Heathrow Airport to Cairns that are best for you.

Fly from

Heathrow

Fly to

Cairns

Route

Depart

Return

Price

LondonCairns

LHR - CNS

LHRCNS

London Heathrow

Thu 30/10

11:00-10:45

2 stops37h 45m

Cairns

Thu 27/11

15:35-15:00

2 stops33h 25m

£1,081

LondonCairns

LHR - CNS

LHRCNS

London Heathrow

Thu 6/11

14:15-05:45

3 stops29h 30m

Cairns

Sun 23/11

07:45-06:40

2 stops32h 55m

£1,126

LondonCairns

LHR - CNS

LHRCNS

London Heathrow

Thu 11/9

14:40-06:35

3 stops30h 55m

Cairns

Fri 17/10

10:00-07:00

2 stops30h 00m

£1,128

LondonCairns

LHR - CNS

LHRCNS

London Heathrow

Mon 8/9

21:20-20:40

2 stops38h 20m

Cairns

Thu 11/9

12:10-17:45

2 stops38h 35m

£1,153

LondonCairns

LHR - CNS

LHRCNS

London Heathrow

Mon 27/10

22:00-19:05

2 stops59h 05m

Cairns

Mon 10/11

18:35-07:40

1 stop23h 05m

£1,153

LondonCairns

LHR - CNS

LHRCNS

London Heathrow

Wed 8/10

22:10-08:45

3 stops49h 35m

Cairns

Wed 15/10

18:15-15:45

1 stop30h 30m

£1,169

LondonCairns

LHR - CNS

LHRCNS

London Heathrow

Mon 13/10

06:50-04:25

3 stops36h 35m

Cairns

Mon 27/10

18:35-14:45

3 stops30h 10m

£1,170

LondonCairns

LHR - CNS

LHRCNS

London Heathrow

Wed 26/11

20:05-17:20

3 stops35h 15m

Cairns

Wed 25/2

18:35-08:05

2 stops23h 30m

£1,173

LondonCairns

LHR - CNS

LHRCNS

London Heathrow

Mon 2/2

20:35-17:20

1 stop34h 45m

Cairns

Mon 23/2

11:45-07:40

2 stops29h 55m

£1,195

LondonCairns

LHR - CNS

LHRCNS

London Heathrow

Mon 20/10

21:20-17:10

2 stops34h 50m

Cairns

Mon 3/11

18:35-15:20

1 stop30h 45m

£1,196

Flights are sorted by cheapest return flights first.

Deals found on 25/8

Showing 1-10 of 19 results
1
2

Best time to book a flight from Heathrow to Cairns

Have a flexible travel schedule? Discover the best time to fly to Cairns from Heathrow with our price prediction graph.
Estimated return price
Rates are based on past data. Find the cheapest month and day to book your flight based on your travel requirements, then search for cheap deals.

Cheapflights Insights

Everything you need to know about your flight from London Heathrow Airport to Cairns

How far ahead should I book a flight from London Heathrow Airport to Cairns?

Use this chart to determine the optimal time to book a return flight from Heathrow to Cairns. Price data was last updated on 22 August 2025.

To ensure you get the cheapest price possible for a flight from London Heathrow Airport to Cairns, you should look to book at least 28 days in advance of your intended travel date. The price of your flight may increase if you delay and leave booking until a week or so before departure.

What is the cheapest month to book a flight from London Heathrow Airport to Cairns?

Currently, March is the cheapest month in which you can book a flight from London Heathrow Airport to Cairns (average of £1,372). Flying from London Heathrow Airport to Cairns in July is currently the most expensive (average of £2,027). There are several factors that can impact the price of a flight, so comparing airlines, departure airports and flight times can provide users with more options.

What is the cheapest time of day to fly from LHR to CNS?

Find hourly flight availability from Heathrow to Cairns. Discover flight options and departure times throughout the day, allowing you to choose a departure time that suits your schedule. Data last updated 26 August 2025.

A simple way to save on the total cost of your ticket is to fly from London Heathrow Airport to Cairns in the evening. If you’re flexible enough to do this you can expect to save up to 69% on your trip compared to booking a flight at midday.

Reviews of airlines servicing Cairns

Get insights into the airlines that provide service to Cairns. Read reviews, discover amenities, and learn about the overall travel experience offered by airlines. Use this information to make informed decisions when choosing an airline for your flight to Cairns. Reviews last updated 26 August 2025.
Get a feel of what it's like to fly with Japan Airlines, Singapore Airlines, andCathay Pacific from London Heathrow Airport to Cairns by reading reviews from past customers. Users have also rated airlines in terms of entertainment options, comfort, food, crew/service, and boarding process.
Japan Airlines
8.3
Very Good
1,552 reviews
Check prices

Comfort

8.2

Food

7.7

Overall

8.3

Entertainment

7.8

Crew

8.7

Boarding

8.4

Reviews

1 / 20
2.0
Mediocre

Anonymous,Aug 2025

HND - JFK

I thought it will be Japan Airlines on the way back to New York too. So I was soooo disappointed. I never expected that it will be American Airlines.
Japan Airlines
8.3
Very Good
1,552 reviews
Japan Airlines
8.3
Very Good
1,552 reviews
Check prices

Comfort

8.2

Food

7.7

Overall

8.3

Entertainment

7.8

Crew

8.7

Boarding

8.4

Reviews

1 / 20
2.0
Mediocre

Anonymous,Aug 2025

HND - JFK

I thought it will be Japan Airlines on the way back to New York too. So I was soooo disappointed. I never expected that it will be American Airlines.
Singapore Airlines
8.1
Very Good
1,352 reviews
Japan Airlines
8.3
Very Good
1,552 reviews
Check prices

Comfort

8.2

Food

7.7

Overall

8.3

Entertainment

7.8

Crew

8.7

Boarding

8.4

Reviews

1 / 20
2.0
Mediocre

Anonymous,Aug 2025

HND - JFK

I thought it will be Japan Airlines on the way back to New York too. So I was soooo disappointed. I never expected that it will be American Airlines.
Cathay Pacific
7.6
Good
975 reviews
Japan Airlines
8.3
Very Good
1,552 reviews
Check prices

Comfort

8.2

Food

7.7

Overall

8.3

Entertainment

7.8

Crew

8.7

Boarding

8.4

Reviews

1 / 20
2.0
Mediocre

Anonymous,Aug 2025

HND - JFK

I thought it will be Japan Airlines on the way back to New York too. So I was soooo disappointed. I never expected that it will be American Airlines.
SWISS
7.6
Good
1,711 reviews
Japan Airlines
8.3
Very Good
1,552 reviews
Check prices

Comfort

8.2

Food

7.7

Overall

8.3

Entertainment

7.8

Crew

8.7

Boarding

8.4

Reviews

1 / 20
2.0
Mediocre

Anonymous,Aug 2025

HND - JFK

I thought it will be Japan Airlines on the way back to New York too. So I was soooo disappointed. I never expected that it will be American Airlines.
Qantas Airways
7.5
Good
904 reviews
Japan Airlines
8.3
Very Good
1,552 reviews
Check prices

Comfort

8.2

Food

7.7

Overall

8.3

Entertainment

7.8

Crew

8.7

Boarding

8.4

Reviews

1 / 20
2.0
Mediocre

Anonymous,Aug 2025

HND - JFK

I thought it will be Japan Airlines on the way back to New York too. So I was soooo disappointed. I never expected that it will be American Airlines.

Related info for your journey

Find useful and relevant information for your journey from Heathrow to Cairns. Access travel guides, tips, and recommendations to enhance your travel experience. Get information about local attractions, weather, transportation options, and more.

  • What airport do you fly into for flights to Cairns from London Heathrow?

    Most people fly into Cairns (CNS) if they book a flight to Cairns from London Heathrow. On average, Cairns has 0 inbound flights from London Heathrow per day from 7 airlines. Cairns is conveniently located just 2.8 mi from Cairns’s city center.

  • What are the cheapest airlines flying from London Heathrow Airport to Cairns round-trip?

    Our cheapest airline available from London Heathrow Airport to Cairns is SWISS. Our recent data shows that you can find tickets from as low as £781 on this airline. Additional options worth looking into are Cathay Pacific and Etihad Airways, starting at £784 and £828 round-trip. SWISS is 36% cheaper than the average price of flights available within the next 90 days to this destination.

  • Can I find deals for flights from Heathrow to Cairns that include hotel bookings?

    Yes. In addition to deals on Heathrow to Cairns flights, Cheapflights offers holiday packages that include both flights and hotel.

  • How can I find direct flights from Heathrow to Cairns?

    After entering your origin and destination, apply the non-stop filter on the search result page to find direct flights from Heathrow to Cairns.

  • Can I find deals for business class flights from Heathrow to Cairns?

    Yes. Cheapflights offers flight deals from Heathrow to Cairns by cabin class. In addition to browsing deals, you can also filter by cabin class on the search results page after making a search.

  • What is the cheapest month to book a flight from London Heathrow Airport to Cairns?

    Currently, March is the cheapest month in which you can book a flight from London Heathrow Airport to Cairns (average of £1,372). Flying from London Heathrow Airport to Cairns in July is currently the most expensive (average of £2,027). There are several factors that can impact the price of a flight, so comparing airlines, departure airports and flight times can provide users with more options.

See more FAQs

Browse thousands of different options on Cheapflights for your next trip

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Top 7 airlines flying from Heathrow to Cairns

Discover the top 7 airlines that operate flights from Heathrow to Cairns. Compare their services, reliability, and customer satisfaction ratings to choose the airline that best suits your travel preferences and needs. Over the last 7 days, Cheapflights users made 858,174 searches. Data last updated 26 August 2025.
AirlineCheapestAverageFlexibilityOn-time
SWISSCheapest£781Average£1,175FlexibilityNo cancel feeOn-time79%
Search SWISS flights
Cathay PacificCheapest£784Average£1,109FlexibilityNo cancel feeOn-time72%
Search Cathay Pacific flights
Etihad AirwaysCheapest£828Average£1,319FlexibilityNo cancel feeOn-time75%
Search Etihad Airways flights
Singapore AirlinesCheapest£901Average£1,198FlexibilityNo cancel feeOn-time81%
Search Singapore Airlines flights
LufthansaCheapest£962Average£1,124FlexibilityNo cancel feeOn-time76%
Search Lufthansa flights
Qantas AirwaysCheapest£1,125Average£1,429FlexibilityNo cancel feeOn-time74%
Search Qantas Airways flights
Japan AirlinesCheapest£1,358Average£1,553FlexibilityNo cancel feeOn-time79%
Search Japan Airlines flights

Fly with Cheapflights

Find the best flight deals on Cheapflights, where travellers can enjoy low prices and a wide availability of flights to their desired destinations.

How does Cheapflights help users find flights from Heathrow to Cairns?

Deals for Heathrow to Cairns flights are sourced from 900+ travel sites when you use Cheapflights. When all flight results come back, Cheapflights lets you sort and filter flights using different criteria to choose better, like price, airport, cabin class, and plenty of other options.

Why should you use Cheapflights to find cheap flight tickets from Heathrow to Cairns?

Cheapflights taps into our reliable network of hundreds of airlines and travel agencies to find the best deals for flights from Heathrow to Cairns for you. Better yet — we are completely free to use.

Can Cheapflights find flights from Heathrow to Cairns with no change fees?

Need flexible booking options for your flight to Cairns from Heathrow? Don’t worry, Cheapflights have you covered. Use our search filter to only show flights with no change fees.

Can Cheapflights notify me if prices for flights from Heathrow to Cairns become cheaper?

Yes, Cheapflights has a feature called Price Alert, which notifies users when flight prices change. Track prices for your flight to Cairns from Heathrow today and book when prices fit your budget.

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